From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/drivers/input/misc/rotary_encoder.c | 11 +++++------
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/input/misc/rotary_encoder.c b/kernel/drivers/input/misc/rotary_encoder.c
index 30ec77a..6d613f2 100644
--- a/kernel/drivers/input/misc/rotary_encoder.c
+++ b/kernel/drivers/input/misc/rotary_encoder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* rotary_encoder.c
*
@@ -8,10 +9,6 @@
*
* A generic driver for rotary encoders connected to GPIO lines.
* See file:Documentation/input/devices/rotary-encoder.rst for more information
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -240,8 +237,10 @@
encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN);
if (IS_ERR(encoder->gpios)) {
- dev_err(dev, "unable to get gpios\n");
- return PTR_ERR(encoder->gpios);
+ err = PTR_ERR(encoder->gpios);
+ if (err != -EPROBE_DEFER)
+ dev_err(dev, "unable to get gpios: %d\n", err);
+ return err;
}
if (encoder->gpios->ndescs < 2) {
dev_err(dev, "not enough gpios found\n");
--
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